Class: Pebbles::AntiHangover

Inherits:
Object
  • Object
show all
Defined in:
lib/pebbles/anti_hangover.rb

Constant Summary collapse

VERSION = 
'0.1.0'
ALCOHOL_TYPE = 
{
  beer: {
    name:         'ビール',
    glass:        'レギュラー缶',
    unit:         '本',
    alcoholicity:   5,
    net:          350,
  },
  chuhi: {
    name:         '酎ハイ',
    glass:        'サワーグラス',
    unit:         '杯',
    alcoholicity:   7,
    net:          200,
  },
  sake: {
    name:         '日本酒',
    glass:        '小徳利',
    unit:         '本',
    alcoholicity:  12,
    net:          180,
  },
  wine: {
    name:         'ワイン',
    glass:        'ワイングラス',
    unit:         '杯',
    alcoholicity:  15,
    net:          120,
  },
  shochu: {
    name:         '焼酎',
    glass:        '焼酎グラス',
    unit:         '杯',
    alcoholicity:  25,
    net:           60,
  },
  whiskey: {
    name:         'ウイスキー',
    glass:        'ショットグラス',
    unit:         '杯',
    alcoholicity:  40,
    net:           40,
  },
}

Instance Method Summary collapse

Constructor Details

#initialize(drunker_weight, drinking_hours) ⇒ AntiHangover

Returns a new instance of AntiHangover.

Raises:

  • (ArgumentError) 


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# File 'lib/pebbles/anti_hangover.rb', line 52

def initialize drunker_weight, drinking_hours
  @drunker_weight = drunker_weight
  @drinking_hours = drinking_hours
  raise ArgumentError unless @drunker_weight > 0
  raise ArgumentError unless @drinking_hours > 0
  @drunk_glasses = Hash[ALCOHOL_TYPE.keys.zip(Array.new(ALCOHOL_TYPE.count).fill(0))]
end

Instance Method Details

#drink(kind, glasses = 1) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/pebbles/anti_hangover.rb', line 64

def drink kind, glasses = 1
  raise ArgumentError unless ALCOHOL_TYPE.include?(kind)
  @drunk_glasses[kind] += glasses
end

#dump ⇒ Object 



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# File 'lib/pebbles/anti_hangover.rb', line 80

def dump
  result = "体重#{@drunker_weight}kgのあなたは、\n"
  drunk_logs = ''
  @drunk_glasses.each do |kind, glasses|
    drunk_logs += "、\n" unless drunk_logs.empty?
    glass = ALCOHOL_TYPE[kind]
    drunk_logs += "#{glass[:name]}を#{glass[:glass]}に#{glasses}#{glass[:unit]}"
  end
  percentage = (total_drunk.to_f / permissible_alcohol.to_f * 1000.0).floor / 10.0
  result += drunk_logs + "飲んで、\n#{@drinking_hours}時間後に起きなければなりません。\n\n"
  result += 'そのときあなたは、おそらく二日酔いに'
  result += "#{hangover? ? 'なる' : 'ならない'}でしょう。\n\n"
  result += "(許容量の#{percentage}%を飲んでいます)\n"

  result
end

#hangover? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pebbles/anti_hangover.rb', line 76

def hangover?
  total_drunk > permissible_alcohol
end

#permissible_alcohol ⇒ Object 



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# File 'lib/pebbles/anti_hangover.rb', line 60

def permissible_alcohol
  (15 * @drunker_weight * @drinking_hours / 80).round
end

#total_drunk ⇒ Object 



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# File 'lib/pebbles/anti_hangover.rb', line 69

def total_drunk
  @drunk_glasses.inject(0) do |total, drunk|
    glass = ALCOHOL_TYPE[drunk.first]
    total + (drunk.last * glass[:alcoholicity] * glass[:net] / 100.0).round
  end
end